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Western Digital Corp.: Q4 FY2026 earnings call

What management said about Q4 FY2026, from the documents filed with the SEC on 5 August 2026: press release. Guidance figures: 10 raised. The quarter’s numbers.

Key takeaways

  • Revenue rose 44% year over year: Revenue was $3,747 million, up 44% from $2,605 million a year earlier and 12% from $3,337 million in the third quarter. Source
  • Sandisk stake gain added to GAAP income: GAAP interest and other income was $1,684 million, including a $2,050 million gain on the retained Sandisk interest. Non-GAAP results exclude that gain. Source
  • Free cash flow reached $1.28 billion: Free cash flow was $1,281 million in the quarter, against $675 million a year earlier and $978 million in the third quarter. Fiscal 2026 free cash flow was $3,511 million. Source
  • Buybacks reached $672 million in quarter: Share repurchases were $672 million in the quarter and $2,592 million for fiscal 2026, against $149 million in fiscal 2025. Source
  • Revenue midpoint set at $4.1 billion: Q1FY27 revenue midpoint is $4.1 billion, plus or minus $100 million, against a $3.65 billion midpoint given for Q4FY26. Source
  • Gross margin range set at 55% to 56%: Non-GAAP gross margin is guided at 55% to 56%, with a 55.5% midpoint, against 51% to 52% for Q4FY26. Source

“In our fiscal fourth quarter, revenue increased 44% year over year, gross and operating margins expanded, and earnings per share more than doubled.”

Irving Tan, CEO of WD

Guidance

AreaPeriodFigureAgainst last quarter
Revenue growth SourceQ1FY27 (first quarter of fiscal 2027)42% to 49% year-over-yearRaised from 36% to 44% year-over-year
Revenue SourceQ1FY27$4.1B +/- $100MRaised from $3.65B +/- $100M
Non-GAAP gross margin SourceQ1FY2755% - 56%Raised from 51% - 52%
Non-GAAP operating expenses SourceQ1FY27$390M - $400MRaised from $385M - $395M
Interest and other expense, net SourceQ1FY27~ $15MRaised from ~ $10M
Tax rate SourceQ1FY27~ 17%Raised from ~ 16%
Non-GAAP diluted EPS SourceQ1FY27$4.00 +/- $0.15Raised from $3.25 +/- $0.15
Non-GAAP diluted weighted average shares SourceQ1FY27~ 388MRaised from ~ 385M
Non-GAAP operating expense adjustments SourceQ1FY27approximately $60 millionRaised from approximately $40 million
Non-GAAP diluted EPS adjustments SourceQ1FY27approximately $70 millionRaised from approximately $50 million

What changed from last quarter

  • New guidance: Guidance was given for the first quarter of fiscal 2027; the prior release gave guidance for the fourth quarter of fiscal 2026. Source
  • New: Equity-for-equity exchanges and a private settlement of part of the convertible notes are reported this quarter; the prior release mentioned only a debt-for-equity exchange. Source
  • Ended: The retained Sandisk interest, $1,187 million at April 3, 2026 in the prior release, is not shown on the July 3, 2026 balance sheet. Source

Fourth quarter and fiscal year results

  • Revenue rose 44% year over year: Revenue was $3,747 million, up 44% from $2,605 million a year earlier and 12% from $3,337 million in the third quarter. Source
  • Diluted EPS rose to $8.21: GAAP diluted EPS was $8.21 against $0.67 a year earlier. Non-GAAP diluted EPS was $3.56 against $1.70, up 109%. Source
  • Operating margin reached 41.7%: GAAP operating income was $1,563 million, up 130%, with GAAP operating margin of 41.7% against 26.1%. Non-GAAP operating income was $1,655 million, a 44.2% margin. Source
  • Sandisk stake gain added to GAAP income: GAAP interest and other income was $1,684 million, including a $2,050 million gain on the retained Sandisk interest. Non-GAAP results exclude that gain. Source
  • Fiscal 2026 revenue rose 36%: Fiscal 2026 revenue was $12,919 million, up 36%. GAAP diluted EPS was $24.28 against $4.45; non-GAAP diluted EPS was $10.22 against $5.02. Source

Margins and operating costs

  • Full-year gross margin rose: Fiscal 2026 GAAP gross margin was 48.9%, up from 38.8%; non-GAAP was 49.1%, up from 39.4%. GAAP gross profit for the year was $6,311 million. Source
  • Realignment charges rose: Business realignment charges were $43 million in the quarter, against $1 million, and $146 million for fiscal 2026, against a $6 million credit. Source
  • Non-GAAP operating expenses rose: Non-GAAP operating expenses were $382 million, against $345 million a year earlier and $397 million in the third quarter. These exclude stock-based compensation and other items. Source
  • Research spending rose: Research and development expense was $284 million, against $262 million a year earlier. Fiscal 2026 research and development was $1,161 million, against $994 million. Source

“These results reflect our ability to scale innovation and operational excellence across our global organization, supporting our customers’ growing storage demand,”

Irving Tan, CEO of WD

Cash flow and balance sheet

  • Free cash flow reached $1.28 billion: Free cash flow was $1,281 million in the quarter, against $675 million a year earlier and $978 million in the third quarter. Fiscal 2026 free cash flow was $3,511 million. Source
  • Operating cash flow rose: Cash flow from operations was $1,389 million in the quarter, against $746 million a year earlier. Fiscal 2026 operating cash flow was $3,929 million, against $1,691 million. Source
  • Capital spending was $108 million: Purchases of property, plant and equipment were $108 million in the quarter, against $71 million, and $418 million for fiscal 2026, against $407 million. Source
  • Long-term debt was nil: Long-term debt was nil at July 3, 2026, against $2,485 million a year earlier. The current portion of long-term debt was $1,052 million, against $1,581 million in the third quarter. Source
  • Convertible notes settlement used $1.22 billion: Settlement of convertible notes transactions used $1,220 million in the quarter. Cash and cash equivalents were $1,579 million at July 3, 2026, against $2,050 million at April 3, 2026. Source

Shareholder returns

  • Buybacks reached $672 million in quarter: Share repurchases were $672 million in the quarter and $2,592 million for fiscal 2026, against $149 million in fiscal 2025. Source
  • $0.15 quarterly dividend declared: The board declared a $0.15 per share cash dividend, payable September 17, 2026. Dividends paid were $54 million in the quarter and $184 million for fiscal 2026. Source
  • Diluted share count rose: GAAP diluted weighted average shares were 389 million in the quarter, against 362 million a year earlier, and 383 million for fiscal 2026, against 359 million. Source

Sandisk stake and debt transactions

  • Debt and equity transactions cost $362 million: Costs in connection with debt and equity transactions were $362 million in the quarter and $907 million for fiscal 2026. Management excludes these costs from non-GAAP results. Source
  • Sandisk separation changed presentation: Sandisk results after the February 21, 2025 separation are no longer consolidated. Earlier periods show Sandisk results as discontinued operations. Source
  • Fiscal-year Sandisk stake gains totaled $6.5 billion: Gains on the retained Sandisk interest were $6,498 million for fiscal 2026, against a $772 million loss in fiscal 2025. Source

Demand and customers

  • Broadening demand across end markets: Sennesael said fiscal 2026 was characterized by broadening demand, deeper customer engagement and disciplined execution across all end markets. Source
  • Visibility into fiscal 2027 described as increasing: Tan said the company enters fiscal 2027 with continued confidence in the durability of demand and increasing visibility, as global data creation accelerates. Source
  • Customers include hyperscalers and enterprises: The company describes its customers as the world's leading hyperscalers, cloud service providers, and enterprises, served with storage solutions proven and trusted at scale. Source

Next-quarter guidance

  • Revenue midpoint set at $4.1 billion: Q1FY27 revenue midpoint is $4.1 billion, plus or minus $100 million, against a $3.65 billion midpoint given for Q4FY26. Source
  • Gross margin range set at 55% to 56%: Non-GAAP gross margin is guided at 55% to 56%, with a 55.5% midpoint, against 51% to 52% for Q4FY26. Source
  • Operating expenses, interest and tax guided: Non-GAAP operating expenses are guided at $390M to $400M, interest and other expense at about $15M, and the tax rate at about 17%. Source
  • EPS and share count guided: Non-GAAP diluted EPS is guided at $4.00 plus or minus $0.15, on about 388 million diluted weighted average shares. Source

Coming up, as management said on 5 August 2026

  • Annual report on Form 10-K: The company's Annual Report on Form 10-K for the year ended July 3, 2026 is expected to be filed on or about August 14, 2026. Source

Figures management reported

FigureReported
Gross margin SourceGAAP 54.1%; non-GAAP 54.4%

Other quarters

Summarised with AI from the documents the company filed with the SEC. Every point is checked against the filing before it is shown: management’s own words word for word, figures against the line or table row they come from. A point that fails the check is left out. Source opens the filing at that line.